% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AC1865-AP'

role:           ABUSE CMIINTHK
country:        ZZ
address:        Kowloon Commerce Centre, No. 51 Kwai Cheong Road
phone:          +000000000
e-mail:         murinelee@cmi.chinamobile.com
admin-c:        CMIL2-AP
tech-c:         NOC20-AP
nic-hdl:        AC1865-AP
remarks:        Generated from irt object IRT-CMI-INT-HK
remarks:        abuse@cmi.chinamobile.com was validated on 2025-07-15
remarks:        murinelee@cmi.chinamobile.com was validated on 2025-08-08
abuse-mailbox:  abuse@cmi.chinamobile.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-08T00:16:26Z
source:         APNIC

person:         CHINA MOBILE INTERNATIONAL LIMITED Network admin
address:        Kowloon Commerce Centre,
country:        HK
phone:          +85231556981
e-mail:         murinelee@cmi.chinamobile.com
nic-hdl:        CMIL2-AP
mnt-by:         MAINT-CMI-INT-HK
abuse-mailbox:  abuse@cmi.chinamobile.com
last-modified:  2021-11-05T06:35:55Z
source:         APNIC

person:         Network Operations Center
address:        noc@cmi.chinamobile.com
country:        HK
phone:          +852 3975 6655
e-mail:         noc@cmi.chinamobile.com
nic-hdl:        NOC20-AP
mnt-by:         MAINT-CMI-INT-HK
last-modified:  2016-12-12T01:48:12Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)